[ci] Fix pypi_upload workflow (#889)

pypi_upload has been broken since #810, because `actions/checkout` defaults to a shallow checkout that only checks out the revision triggering the workflow. This causes setuptools-scm to miss the most recent tag, causing the version to be detected as `0.1`.

.github/workflows/build.yml

@@ -40,6 +40,8 @@ jobs:
       CIBW_BUILD_VERBOSITY: 1
     steps:
       - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - uses: actions/setup-python@v4
         if: ${{ !contains(matrix.os, 'self-hosted') }}
         with:

.github/workflows/pypi_upload.yml

@@ -18,6 +18,8 @@ jobs:
     needs: build
     steps:
       - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Download binary wheels
         id: download
         uses: actions/download-artifact@v3